Heap-Based Buffer Overflow vulnerability in the JPEG image loader of the gdk-pixbuf library. The flaw is caused by improper validation of color component counts in the gdk_pixbuf__jpeg_image_load() function, leading to insufficient memory allocation for pixel data. When a specially crafted JPEG image is processed, libjpeg writes more data than allocated, resulting in a heap buffer overflow. This can be triggered automatically via thumbnail generation without user interaction, causing application crashes and denial-of-service conditions. Claims of code execution are not reliably substantiated and require unrealistic conditions; however, the memory corruption and crash impact are confirmed with high confidence.
This issue has been addressed in the following products: Red Hat Enterprise Linux 10 Via RHSA-2026:10707 https://access.redhat.com/errata/RHSA-2026:10707
This issue has been addressed in the following products: Red Hat Enterprise Linux 9 Via RHSA-2026:10708 https://access.redhat.com/errata/RHSA-2026:10708
This issue has been addressed in the following products: Red Hat Enterprise Linux 8 Via RHSA-2026:10741 https://access.redhat.com/errata/RHSA-2026:10741
This issue has been addressed in the following products: Red Hat Enterprise Linux 10.0 Extended Update Support Via RHSA-2026:11325 https://access.redhat.com/errata/RHSA-2026:11325
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.2 Update Services for SAP Solutions Via RHSA-2026:11326 https://access.redhat.com/errata/RHSA-2026:11326
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.6 Extended Update Support Via RHSA-2026:11327 https://access.redhat.com/errata/RHSA-2026:11327
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.4 Extended Update Support Via RHSA-2026:11328 https://access.redhat.com/errata/RHSA-2026:11328
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.2 Advanced Update Support Via RHSA-2026:11806 https://access.redhat.com/errata/RHSA-2026:11806
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.8 Update Services for SAP Solutions Red Hat Enterprise Linux 8.8 Telecommunications Update Service Via RHSA-2026:12060 https://access.redhat.com/errata/RHSA-2026:12060
This issue has been addressed in the following products: Red Hat Enterprise Linux 9.0 Update Services for SAP Solutions Via RHSA-2026:12061 https://access.redhat.com/errata/RHSA-2026:12061
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.4 Extended Update Support Long-Life Add-On Via RHSA-2026:12062 https://access.redhat.com/errata/RHSA-2026:12062
This issue has been addressed in the following products: Red Hat Enterprise Linux 8.6 Advanced Mission Critical Update Support Red Hat Enterprise Linux 8.6 Update Services for SAP Solutions Red Hat Enterprise Linux 8.6 Telecommunications Update Service Via RHSA-2026:12115 https://access.redhat.com/errata/RHSA-2026:12115
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Extended Lifecycle Support Via RHSA-2026:12114 https://access.redhat.com/errata/RHSA-2026:12114